[ALOY-332] More efficient creation of TabGroups

[ALOY-332] More efficient creation of TabGroups
[ALOY-477] Tighten checks for upping stack size when rhino is used

**Tickets**
* [https://jira.appcelerator.org/browse/ALOY-332](https://jira.appcelerator.org/browse/ALOY-332)
* [https://jira.appcelerator.org/browse/ALOY-477](https://jira.appcelerator.org/browse/ALOY-477)